X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstm%2Fao_boot_pin.c;h=4b5dc2ac480341086e4264284b9345d2e5da299c;hb=a487d2fcba57141f6b083d5612c76bac5ad1ac7c;hp=03b0214f6bf492fed6be3639d42f945588e1a45b;hpb=b1a43ce313c85cb7f8f16f7f0647d9d4320ba692;p=fw%2Faltos

diff --git a/src/stm/ao_boot_pin.c b/src/stm/ao_boot_pin.c
index 03b0214f..4b5dc2ac 100644
--- a/src/stm/ao_boot_pin.c
+++ b/src/stm/ao_boot_pin.c
@@ -3,7 +3,8 @@
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -26,11 +27,14 @@ ao_boot_check_pin(void)
 
 	/* Enable power interface clock */
 	stm_rcc.apb1enr |= (1 << STM_RCC_APB1ENR_PWREN);
-	
+
 	/* Enable the input pin */
 	ao_enable_input(&AO_BOOT_APPLICATION_GPIO, AO_BOOT_APPLICATION_PIN,
 			AO_BOOT_APPLICATION_MODE);
 
+	for (v = 0; v < 100; v++)
+		ao_arch_nop();
+
 	/* Read the value */
 	v = stm_gpio_get(&AO_BOOT_APPLICATION_GPIO, AO_BOOT_APPLICATION_PIN);